Home / 886,493.40-1,329,740.06-221,645.40

Finding the Fourth Proportional to 886,493.40, 1,329,740.06 and 221,645.40

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Solution

The fourth proportional to 886,493.40, 1,329,740.06 and 221,645.40 is: 332,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,493.40 : 1,329,740.06 = 221,645.40 : x
  2. Step 2: Convert to fraction form
    886,493.40/1,329,740.06 = 221,645.40/x
  3. Step 3: Cross multiply
    886,493.40x = 1,329,740.06 × 221,645.40
  4. Step 4: Simplify right side
    886,493.40x = 294,730,767,494.72
  5. Step 5: Solve for x
    x = 294,730,767,494.72/886,493.40
  6. Step 6: Final answer
    x = 332,468.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.